Harness for a dog



FIG. 1 is a top, rear, left perspective view of a harness for a dog showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation view of the harness for a dog of FIG. 1;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view of the harness for a dog of FIG. 1;

FIG. 6 is a right side elevation view of the harness for a dog of FIG. 1; and,

FIG. 7 is a rear elevation view thereof. 

CLAIM The ornamental design for a harness for a dog, as shown and described. 